2026
Adaptive Collision Detection via Impulse-Momentum Theorem for Safe Sensorless Physical Human-Robot Interaction
RA-L 2026
Collision detection is critical for safe physical human-robot interaction (pHRI). The generalized momentum observer (GMO) is a prevalent sensorless method, estimating momentum deviations to detect collisions. However, its reliance on iterative solutions and static thresholds severely limits operatio